n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 24 |
4 | 59 |
5 | 456 |
6 | 1448 |
7 | 6868 |
8 | 19749 |
9 | 69364 |
10 | 236356 |
11 | 1526956 |
12 | 3717440 |
13 | 22858340 |
14 | 122553540 |
15 | 474051984 |
16 | 954720543 |
17 | 5726109024 |
18 | 19329586520 |
19 | 92051285020 |
20 | 319059863484 |
21 | 1271796704788 |
22 | 4829219746964 |
23 | 29791326914640 |
24 | 74372011398840 |
25 | 340296661452300 |
[0,1,5,24,59,456,1448,6868,19749,69364,236356, 1526956,3717440,22858340,122553540,474051984, 954720543,5726109024,19329586520,92051285020, 319059863484,1271796704788,4829219746964, 29791326914640,74372011398840,340296661452300] |